Finding the Fourth Proportional to 292,093.70, 438,140.55 and 125,881.70
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Solution
The fourth proportional to 292,093.70, 438,140.55 and 125,881.70 is: 188,822.55
Step by Step Solution
- Step 1: Write the proportion equation
292,093.70 : 438,140.55 = 125,881.70 : x - Step 2: Convert to fraction form
292,093.70/438,140.55 = 125,881.70/x - Step 3: Cross multiply
292,093.70x = 438,140.55 × 125,881.70 - Step 4: Simplify right side
292,093.70x = 55,153,877,272.94 - Step 5: Solve for x
x = 55,153,877,272.94/292,093.70 - Step 6: Final answer
x = 188,822.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.